Antiglare and light-distributing means for vehicle head lamps



July 3, 1928.

G. L. SCHOFIELD ANTIGLARE AND LIGHT DISTRIBUTING" MEANS FOR VEHICLEHEADLAMPS 2 Sheets-Sheet l gwuentox Gav/e65 L. 5CHOF/E40.

I iIWIA Ill Filed April 8, 1925 July 3, 1928. 1,675,731

G. L. SCHQFIELD ANTIGLARE AND LIGHT DISTRIBUTING MEANS FOR VEHICLE HEADIIAMPS Filed April a, 1925 2 Sheets-Sheet, 2

' Patented July 3, 1928.

1,675,731 PATENT OFFICE.

GEORGE L. SCHQFIELD, OF NATIONAL CITY, CALIFOBNI A.

ANTIGLABE AND LIGHT-DISTRIBUTING MEANS FOR, VEHICLE HEAD LAMPS.

Application filed April 8,

My invention relates to an antiglare and light distributing means forvehicle headlamps, and the objects of my invention are:

First, to provide such a means whereby the luminous filament of the bulbof the headlamp, which causes a disagreeable and dangerous glare, issubstantially concealed from the front of the headlamp. Second, toprovide a ineans'of this class whereby the direct rays and also thereflected rays, from\ the vehicle reflector, directed to the sidesthereof, are intercepted and modified by my antiglare and 'lightdistributing means.

Third, to provide a means. of this class whereby the direct andreflected rays of light directed against my headlamp means appear to besubstantially uniformly distributed over the' whole front. opening ofthe head lamp, thus modifying the force of the light. Fourth, to providea means of this class which may be easily and quickly positioned inheadlamps now in use. Fifth,.to provide a novelly constructed antiglareand light distributing means for vehicle headlamps, and sixth, toprovide ameans of this class which is very simple and economical ofconstruction, durable, eflicient, and which will not the frame and thelens part1 readily deteriorate or get out of order.

With these and other objects in view, as will appear hereinafter, myinvention consists of certain novel features of construction combinationand arrangementof parts and portions, as will-be hereinafter describedin detail and particularly set forth in the appended cla1ms,' referencebeing had to the accompan ing drawings and to the characters of reerencethereon, which form a part of this application, in which:

Figurel is a lon itudinal sectional view of a conventional ve icleheadlamp with my means positioned therein with the section taken through1-1 of Fig. 2, also showing certain parts and portions in elevation tofacilitate the illustration. Fig. 2 is a front elevational view thereofwith a portion of broken away and in section to facilitate t eillustration. Fig. 3 is an enlarged, fragmentary sectional view of aslightly modified form of construction of the means for supporting thedevice within the headlamp. Fig. 4 is a longitudinal sectional view of aconventional vehicle headlamp witha slightly modified form of certainparts and portions in elevation to fa- 1925. Serial No. 21,525.

cilitate the illustration, the section being taken through 4=--4= ofFig. 5 and Fig. 5, is a front elevational view thereof with a portion ofthe frame and lens of the headlamp broken away and in sectiontofacilitate the illustration,

' Like characters of reference refer to similar parts and portionsthroughout the several views of the drawings. y

The headlamp housing 1, reflector 2, bulb 3, central shield 4, bands 5,supporting members 6, and the lens 7 constitute the principal parts andportions of my antiglare and light distributing means in one form ofconstruction.

My antiglare and light distributing means is preferably looselypositioned within the parabolic reflector 2, positioned within theheadlamp housing 1 and against the lens 7 of the headlamp. Said means,in the preferred form of construction as shown in Fi s. l and 2 of thedrawings, is-provided at t e middle portion with a'parabolically shapedsupports 6 are "bent backwardly and curved,

to conform substantially with the outer portion of the reflectingsurface of the reflector- 2. Positioned around the shield 4 and spacedtherefrom and from each other are a plurality of concentric reflectingbands 5, which are secured to the supports 6 preferably by solder. Theouter concentric bands 5 are respectively positioned forwardl fromtheinner ones so that no part of the ulb can be seen from the outside ofthe headlamp. Said bands are preferably coated with a white paint orenamel so as to modify the light issuing therefrom. The lens 7 of theheadlamp is also preferably frosted so as to still further modify theintensity of direct reflected rays and tomore uniformly distribute theli t.

In the modified form of construction of the supporting means, as shownin Fig. 3 of the drawings, the supports 6, supporting the concentricbands 5 and the shield 4, extend to the outer periphery of the lens 7and the same, substantially as shown in are bent backwardly over theouter ed e 0g 1g. of the drawings, so that the device does not produceunnecessary wear on the reflector of the headlamp and also so that thesame may be removed when removing the lens for replacin bulbs of theheadlamp.

In t e modified form of construction of my antiglare and lightdistributin means, as illustrated in Figs. 4 and 5 of t e drawings, theshield 4, similarly positioned within the headlamp housing in front ofthe bulb 3, as in the preferred construction, is provided with a convexreflecting surface 4', which convex reflecting surface faces the bulb,positioned within the headlamp, and

.reflects the direct rays toward the main reflector 2. Said shield ispreferably secured at its edges to the inner portion of the inner lightdistributing band 5. The bands 5 in the modified form of constructionare also positioned in concentric order but are of greater width andpositioned in substantialy the same vertical plane. The inner edges ofthe bands are secured to the supports 6 which are positioned against thelens with their outer ends extending over the edge thereof.

It is obvious from this construction, as illustrated in the drawings anddisclosed in the foregoing specification, that there is provieded ameans for modifying the lare 3.111,. uniformly distributin the rays 0light of vehicle headlamps, an though I have shown and described aparticular construction, combination and arrangement of parts andportions and certain modifications thereof, I do not wish to be limitedto this particular construction, combination and arrangement nor to themodifications but desire to include in the scope of my invention theconstruction, combination and arrangement "substantially as set forth inthe appended claims.

Having thus described my invention, what I claim as new and desire tosecure by Letters Patent, is: v

1. In a device of the class described, the combination with aconventional headlamp and reflector, of supports positioned near one endof said reflector, a solid curved shield positioned in axial. alinementwith said reflector and supported by said supports and a plurality ofbandspositioned around said shield and spaced therefrom and sup portedby said supports.

2. In a device of the class described, the combination with a reflectorof a headlamp and a bulb positioned therein, of a shield positionedwithin said reflector in front of said bulb, a plurality of angularsupports radiating outwardly from said shield towards the open edge ofsaid reflector, and a plurality of bands s aced from eachother andsupported by sai an ular supports.

3. In a device of t e cla'ss described, the combination with a reflectorof a headlamp and a bulb positioned therein, of a shield positionedwithin said reflector in front of said bulb, a plurality of angularsupports radiating outwardly from said shield towards the open edge ofsaid reflector, and a plurality of concentric annular bands spaced fromeach other and from said shield and supported at their front edges onsaid supports. 1

4. In a device of the class described, the combination with aconventional headlamp, of a shield positioned in front of and spacedfrom the bulb positioned therein and a plurality of supporting memberssecured at one end to said shield and radiating angularly therefrom,their other ends being positioned contiguous to the openin of saidreflector.

5. In a device of the c ass described, the combination with aconventional reflector of of a headlamp and a bulb positioned therein,of a shield positioned within said reflector in front of said bulb,supports extending outwardly from said shield toward outwardly beyondthe headlamp directly from the reflector.

6. In a device of the class described, the combination with aconventional reflector of a head lamp and a bulb positioned therein ofsupports positioned near one end of said reflector and extendinginwardly and backwardly on an angle therefrom and a plurality ofconcentric annular bands spaced from each other and in front of saidbulb and secured to said supports at their front edges.

7. In a device of the class described, the combination with a reflectorand lens of; a conventional headlamp, of radiating sup ports looselypositioned at their extended ends at the outer end of said reflector andin engagement with the lens, and a solid curved shield positioned inaxial alignment with said reflector and supported by said supports attheir central portion.

In testimon whereof, I have hereunto se my hand at 25th day of March,1925.

GEORGE L. SCHOFIELD.

s Angeles, California, this

